//===- Intrinsics.td - Defines all LLVM intrinsics ---------*- tablegen -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file defines properties of all LLVM intrinsics. // //===----------------------------------------------------------------------===// include "llvm/CodeGen/ValueTypes.td" //===----------------------------------------------------------------------===// // Properties we keep track of for intrinsics. //===----------------------------------------------------------------------===// class IntrinsicProperty; // Intr*Mem - Memory properties. An intrinsic is allowed to have at most one of // these properties set. They are listed from the most aggressive (best to use // if correct) to the least aggressive. If no property is set, the worst case // is assumed (it may read and write any memory it can get access to and it may // have other side effects). // IntrNoMem - The intrinsic does not access memory or have any other side // effects. It may be CSE'd deleted if dead, etc. def IntrNoMem : IntrinsicProperty; // IntrReadArgMem - This intrinsic reads only from memory that one of its // arguments points to, but may read an unspecified amount. def IntrReadArgMem : IntrinsicProperty; // IntrReadMem - This intrinsic reads from unspecified memory, so it cannot be // moved across stores. However, it can be reordered otherwise and can be // deleted if dead. def IntrReadMem : IntrinsicProperty; // IntrReadWriteArgMem - This intrinsic reads and writes only from memory that // one of its arguments points to, but may access an unspecified amount. The // reads and writes may be volatile, but except for this it has no other side // effects. def IntrReadWriteArgMem : IntrinsicProperty; // Commutative - This intrinsic is commutative: X op Y == Y op X. def Commutative : IntrinsicProperty; // NoCapture - The specified argument pointer is not captured by the intrinsic. class NoCapture : IntrinsicProperty { int ArgNo = argNo; } //===----------------------------------------------------------------------===// // Types used by intrinsics. //===----------------------------------------------------------------------===// class LLVMType { ValueType VT = vt; } class LLVMPointerType : LLVMType{ LLVMType ElTy = elty; } class LLVMAnyPointerType : LLVMType{ LLVMType ElTy = elty; } // Match the type of another intrinsic parameter. Number is an index into the // list of overloaded types for the intrinsic, excluding all the fixed types. // The Number value must refer to a previously listed type. For example: // Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_anyfloat_ty, LLVMMatchType<0>]> // has two overloaded types, the 2nd and 3rd arguments. LLVMMatchType<0> // refers to the first overloaded type, which is the 2nd argument. class LLVMMatchType : LLVMType{ int Number = num; } // Match the type of another intrinsic parameter that is expected to be // an integral vector type, but change the element size to be twice as wide // or half as wide as the other type. This is only useful when the intrinsic // is overloaded, so the matched type should be declared as iAny. class LLVMExtendedElementVectorType : LLVMMatchType; class LLVMTruncatedElementVectorType : LLVMMatchType; def llvm_void_ty : LLVMType; def llvm_anyint_ty : LLVMType; def llvm_anyfloat_ty : LLVMType; def llvm_anyvector_ty : LLVMType; def llvm_i1_ty : LLVMType; def llvm_i8_ty : LLVMType; def llvm_i16_ty : LLVMType; def llvm_i32_ty : LLVMType; def llvm_i64_ty : LLVMType; def llvm_float_ty : LLVMType; def llvm_double_ty : LLVMType; def llvm_f80_ty : LLVMType; def llvm_f128_ty : LLVMType; def llvm_ppcf128_ty : LLVMType; def llvm_ptr_ty : LLVMPointerType; // i8* def llvm_ptrptr_ty : LLVMPointerType; // i8** def llvm_anyptr_ty : LLVMAnyPointerType; // (space)i8* def llvm_empty_ty : LLVMType; // { } def llvm_descriptor_ty : LLVMPointerType; // { }* def llvm_metadata_ty : LLVMType; // !{...} def llvm_x86mmx_ty : LLVMType; def llvm_ptrx86mmx_ty : LLVMPointerType; // <1 x i64>* def llvm_v2i8_ty : LLVMType; // 2 x i8 def llvm_v4i8_ty : LLVMType; // 4 x i8 def llvm_v8i8_ty : LLVMType; // 8 x i8 def llvm_v16i8_ty : LLVMType; // 16 x i8 def llvm_v32i8_ty : LLVMType; // 32 x i8 def llvm_v2i16_ty : LLVMType; // 2 x i16 def llvm_v4i16_ty : LLVMType; // 4 x i16 def llvm_v8i16_ty : LLVMType; // 8 x i16 def llvm_v16i16_ty : LLVMType; // 16 x i16 def llvm_v2i32_ty : LLVMType; // 2 x i32 def llvm_v4i32_ty : LLVMType; // 4 x i32 def llvm_v8i32_ty : LLVMType; // 8 x i32 def llvm_v1i64_ty : LLVMType; // 1 x i64 def llvm_v2i64_ty : LLVMType; // 2 x i64 def llvm_v4i64_ty : LLVMType; // 4 x i64 def llvm_v2f32_ty : LLVMType; // 2 x float def llvm_v4f32_ty : LLVMType; // 4 x float def llvm_v8f32_ty : LLVMType; // 8 x float def llvm_v2f64_ty : LLVMType; // 2 x double def llvm_v4f64_ty : LLVMType; // 4 x double def llvm_vararg_ty : LLVMType; // this means vararg here //===----------------------------------------------------------------------===// // Intrinsic Definitions. //===----------------------------------------------------------------------===// // Intrinsic class - This is used to define one LLVM intrinsic. The name of the // intrinsic definition should start with "int_", then match the LLVM intrinsic // name with the "llvm." prefix removed, and all "."s turned into "_"s. For // example, llvm.bswap.i16 -> int_bswap_i16. // // * RetTypes is a list containing the return types expected for the // intrinsic. // * ParamTypes is a list containing the parameter types expected for the // intrinsic. // * Properties can be set to describe the behavior of the intrinsic. // class Intrinsic ret_types, list param_types = [], list properties = [], string name = ""> { string LLVMName = name; string TargetPrefix = ""; // Set to a prefix for target-specific intrinsics. list RetTypes = ret_types; list ParamTypes = param_types; list Properties = properties; bit isTarget = 0; } /// GCCBuiltin - If this intrinsic exactly corresponds to a GCC builtin, this /// specifies the name of the builtin. This provides automatic CBE and CFE /// support. class GCCBuiltin { string GCCBuiltinName = name; } //===--------------- Variable Argument Handling Intrinsics ----------------===// // def int_vastart : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_start">; def int_vacopy : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty], [], "llvm.va_copy">; def int_vaend : Intrinsic<[], [llvm_ptr_ty], [], "llvm.va_end">; //===------------------- Garbage Collection Intrinsics --------------------===// // def int_gcroot : Intrinsic<[], [llvm_ptrptr_ty, llvm_ptr_ty]>; def int_gcread : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty, llvm_ptrptr_ty], [IntrReadArgMem]>; def int_gcwrite : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty, llvm_ptrptr_ty], [IntrReadWriteArgMem, NoCapture<1>, NoCapture<2>]>; //===--------------------- Code Generator Intrinsics ----------------------===// // def int_returnaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; def int_frameaddress : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty], [IntrNoMem]>; // Note: we treat stacksave/stackrestore as writemem because we don't otherwise // model their dependencies on allocas. def int_stacksave : Intrinsic<[llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_save">; def int_stackrestore : Intrinsic<[], [llvm_ptr_ty]>, GCCBuiltin<"__builtin_stack_restore">; // IntrReadWriteArgMem is more pessimistic than strictly necessary for prefetch, // however it does conveniently prevent the prefetch from being reordered // with respect to nearby accesses to the same memory. def int_prefetch : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty, llvm_i32_ty], [IntrReadWriteArgMem, NoCapture<0>]>; def int_pcmarker : Intrinsic<[], [llvm_i32_ty]>; def int_readcyclecounter : Intrinsic<[llvm_i64_ty]>; // Stack Protector Intrinsic - The stackprotector intrinsic writes the stack // guard to the correct place on the stack frame. def int_stackprotector : Intrinsic<[], [llvm_ptr_ty, llvm_ptrptr_ty], []>; //===------------------- Standard C Library Intrinsics --------------------===// // def int_memcpy : Intrinsic<[], [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty, llvm_i32_ty, llvm_i1_ty], [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>; def int_memmove : Intrinsic<[], [llvm_anyptr_ty, llvm_anyptr_ty, llvm_anyint_ty, llvm_i32_ty, llvm_i1_ty], [IntrReadWriteArgMem, NoCapture<0>, NoCapture<1>]>; def int_memset : Intrinsic<[], [llvm_anyptr_ty, llvm_i8_ty, llvm_anyint_ty, llvm_i32_ty, llvm_i1_ty], [IntrReadWriteArgMem, NoCapture<0>]>; // These functions do not actually read memory, but they are sensitive to the // rounding mode. This needs to be modelled separately; in the meantime // declaring them as reading memory is conservatively correct. let Properties = [IntrReadMem] in { def int_sqrt : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_powi : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, llvm_i32_ty]>; def int_sin : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_cos : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_pow : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>]>; def int_log : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_log10: Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_log2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_exp2 : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; } // NOTE: these are internal interfaces. def int_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>; def int_longjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>; def int_sigsetjmp : Intrinsic<[llvm_i32_ty] , [llvm_ptr_ty, llvm_i32_ty]>; def int_siglongjmp : Intrinsic<[], [llvm_ptr_ty, llvm_i32_ty]>; // Internal interface for object size checking def int_objectsize : Intrinsic<[llvm_anyint_ty], [llvm_ptr_ty, llvm_i1_ty], [IntrNoMem]>, GCCBuiltin<"__builtin_object_size">; //===-------------------- Bit Manipulation Intrinsics ---------------------===// // // None of these intrinsics accesses memory at all. let Properties = [IntrNoMem] in { def int_bswap: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; def int_ctpop: Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; def int_ctlz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; def int_cttz : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>]>; } //===------------------------ Debugger Intrinsics -------------------------===// // // None of these intrinsics accesses memory at all...but that doesn't mean the // optimizers can change them aggressively. Special handling needed in a few // places. let Properties = [IntrNoMem] in { def int_dbg_declare : Intrinsic<[], [llvm_metadata_ty, llvm_metadata_ty]>; def int_dbg_value : Intrinsic<[], [llvm_metadata_ty, llvm_i64_ty, llvm_metadata_ty]>; } //===------------------ Exception Handling Intrinsics----------------------===// // def int_eh_exception : Intrinsic<[llvm_ptr_ty], [], [IntrReadMem]>; def int_eh_selector : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty, llvm_ptr_ty, llvm_vararg_ty]>; def int_eh_typeid_for : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>; def int_eh_return_i32 : Intrinsic<[], [llvm_i32_ty, llvm_ptr_ty]>; def int_eh_return_i64 : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty]>; def int_eh_unwind_init: Intrinsic<[]>, GCCBuiltin<"__builtin_unwind_init">; def int_eh_dwarf_cfa : Intrinsic<[llvm_ptr_ty], [llvm_i32_ty]>; let Properties = [IntrNoMem] in { def int_eh_sjlj_lsda : Intrinsic<[llvm_ptr_ty]>; def int_eh_sjlj_callsite: Intrinsic<[], [llvm_i32_ty]>; } def int_eh_sjlj_dispatch_setup : Intrinsic<[], [llvm_ptr_ty]>; def int_eh_sjlj_setjmp : Intrinsic<[llvm_i32_ty], [llvm_ptr_ty]>; def int_eh_sjlj_longjmp : Intrinsic<[], [llvm_ptr_ty]>; //===---------------- Generic Variable Attribute Intrinsics----------------===// // def int_var_annotation : Intrinsic<[], [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty], [], "llvm.var.annotation">; def int_ptr_annotation : Intrinsic<[LLVMAnyPointerType], [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty], [], "llvm.ptr.annotation">; def int_annotation : Intrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, llvm_ptr_ty, llvm_ptr_ty, llvm_i32_ty], [], "llvm.annotation">; //===------------------------ Trampoline Intrinsics -----------------------===// // def int_init_trampoline : Intrinsic<[llvm_ptr_ty], [llvm_ptr_ty, llvm_ptr_ty, llvm_ptr_ty], [IntrReadWriteArgMem]>, GCCBuiltin<"__builtin_init_trampoline">; //===------------------------ Overflow Intrinsics -------------------------===// // // Expose the carry flag from add operations on two integrals. def int_sadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; def int_uadd_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; def int_ssub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; def int_usub_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; def int_smul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; def int_umul_with_overflow : Intrinsic<[llvm_anyint_ty, llvm_i1_ty], [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>; //===------------------------- Atomic Intrinsics --------------------------===// // def int_memory_barrier : Intrinsic<[], [llvm_i1_ty, llvm_i1_ty, llvm_i1_ty, llvm_i1_ty, llvm_i1_ty], []>, GCCBuiltin<"__builtin_llvm_memory_barrier">; def int_atomic_cmp_swap : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_val_compare_and_swap">; def int_atomic_load_add : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_add">; def int_atomic_swap : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_lock_test_and_set">; def int_atomic_load_sub : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_sub">; def int_atomic_load_and : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_and">; def int_atomic_load_or : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_or">; def int_atomic_load_xor : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_xor">; def int_atomic_load_nand : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_nand">; def int_atomic_load_min : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_min">; def int_atomic_load_max : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_max">; def int_atomic_load_umin : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_umin">; def int_atomic_load_umax : Intrinsic<[llvm_anyint_ty], [LLVMAnyPointerType>, LLVMMatchType<0>], [IntrReadWriteArgMem, NoCapture<0>]>, GCCBuiltin<"__sync_fetch_and_umax">; //===------------------------- Memory Use Markers -------------------------===// // def int_lifetime_start : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty], [IntrReadWriteArgMem, NoCapture<1>]>; def int_lifetime_end : Intrinsic<[], [llvm_i64_ty, llvm_ptr_ty], [IntrReadWriteArgMem, NoCapture<1>]>; def int_invariant_start : Intrinsic<[llvm_descriptor_ty], [llvm_i64_ty, llvm_ptr_ty], [IntrReadWriteArgMem, NoCapture<1>]>; def int_invariant_end : Intrinsic<[], [llvm_descriptor_ty, llvm_i64_ty, llvm_ptr_ty], [IntrReadWriteArgMem, NoCapture<2>]>; //===-------------------------- Other Intrinsics --------------------------===// // def int_flt_rounds : Intrinsic<[llvm_i32_ty]>, GCCBuiltin<"__builtin_flt_rounds">; def int_trap : Intrinsic<[]>, GCCBuiltin<"__builtin_trap">; // Intrisics to support half precision floating point format let Properties = [IntrNoMem] in { def int_convert_to_fp16 : Intrinsic<[llvm_i16_ty], [llvm_float_ty]>, GCCBuiltin<"__gnu_f2h_ieee">; def int_convert_from_fp16 : Intrinsic<[llvm_float_ty], [llvm_i16_ty]>, GCCBuiltin<"__gnu_h2f_ieee">; } // These convert intrinsics are to support various conversions between // various types with rounding and saturation. NOTE: avoid using these // intrinsics as they might be removed sometime in the future and // most targets don't support them. def int_convertff : Intrinsic<[llvm_anyfloat_ty], [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertfsi : Intrinsic<[llvm_anyfloat_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertfui : Intrinsic<[llvm_anyfloat_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertsif : Intrinsic<[llvm_anyint_ty], [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertuif : Intrinsic<[llvm_anyint_ty], [llvm_anyfloat_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertss : Intrinsic<[llvm_anyint_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertsu : Intrinsic<[llvm_anyint_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertus : Intrinsic<[llvm_anyint_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; def int_convertuu : Intrinsic<[llvm_anyint_ty], [llvm_anyint_ty, llvm_i32_ty, llvm_i32_ty]>; //===----------------------------------------------------------------------===// // Target-specific intrinsics //===----------------------------------------------------------------------===// include "llvm/IntrinsicsPowerPC.td" include "llvm/IntrinsicsX86.td" include "llvm/IntrinsicsARM.td" include "llvm/IntrinsicsCellSPU.td" include "llvm/IntrinsicsAlpha.td" include "llvm/IntrinsicsXCore.td" include "llvm/IntrinsicsPTX.td"